1. Droplet Measurement Technologies, Inc., Boulder, Colorado
2. Met Office, Exeter, United Kingdom
3. National Center for Atmospheric Research, Boulder, Colorado
4. University of Manchester, Manchester, United Kingdom
5. Stratton Park Engineering Corporation, Boulder, Colorado
6. Environment Canada, Toronto, Ontario, Canada
7. Forschungszentrum Jülich, Jülich, Germany
8. University of Illinois at Urbana–Champaign, Urbana, Illinois
9. University of Hertfordshire, Hertfordshire, United Kingdom